brennan, that is your shop. do you have any knowledge about why senator graham's question was not to be answered? >> there is a longstanding tradition understanding of respecting the executive privilege that exists in the presidency in terms of what information is provided to the president or advice, counsel, to him. i would suspect that that question gets into this issue of the executive privilege which i think again has been a long standing tradition. >> are you sure that is the answer or do you think? >> i do not understand, because that will not be a request coming to me. >> i understand, so my direction to you, at what i ask you, is that you review that. we will get you the and notation, if necessary. secretary panetta told us it was detainee information that was key to them finding the courier and bin laden. were you briefed by any of the analysts who tracked down bin laden? >> before the operation? >> yes. >> yes, absolutely. >> is that the information given to you, that it came from interrogation of deta